Messages in this thread | | | Subject | Re: [PATCH] perf: enum overflow in uapi/linux/perf_event.h | From | Christophe Leroy <> | Date | Fri, 7 Sep 2018 13:50:18 +0000 |
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On 09/07/2018 01:42 PM, Peter Zijlstra wrote: > On Fri, Sep 07, 2018 at 01:27:19PM +0000, Christophe Leroy wrote: >> On PPC32, enums are 32 bits, so __PERF_SAMPLE_CALLCHAIN_EARLY is >> out of scope. The following sparse warning is encountered: >> >> CHECK arch/powerpc/kernel/process.c >> ./include/uapi/linux/perf_event.h:147:56: warning: cast truncates bits from constant value (8000000000000000 becomes 0) > > Urgh... what compiler is that? I've not seen anything like that from the > build bots. >
[root@pc16082vm linux-powerpc]# sparse --version 0.5.2
[root@pc16082vm linux-powerpc]# ppc-linux-gcc --version ppc-linux-gcc (GCC) 5.4.0
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